搜索资源列表
dct·dft
- 使用matlab对图像进行dct、dft变换(通过原理实现算法)(Using MATLAB to carry out DCT and DFT transform (through principle implementation algorithm))
THE FAST COMPUTATION OF DCT IN JPEG ALGORITHM
- THE FAST COMPUTATION OF DCT IN JPEG ALGORITHM
DCT
- 数字图像处理,DCT变换编码,图像压缩,遮罩矩阵(DCT transform coding, image compression)
dct slm fibonacci mimo
- dct slm fibonacci binary sequences in mimo ofdm
verilog dct
- 其使用模块的代码风格来编写,能够8点dct的转换(Its use of the module's code style to write, to 8 dct conversion)
DCT变换图片压缩
- 里面要求实现基于DCT变换的图片压缩程序,基本上复制以后就可以直接运行。值得一提的是,我里面直接调用了三个个外部的包,如果用eclipse编译器或者其他的话,需要在偏好设置中自行设置,否则会报错。具体设置可以自行百度,很简单的(It requires the implementation of image compression program based on DCT transform. After copying, it can run directly. It is worth ment
dct
- 程序主要用于dct图片分块,包括8*8,16*16,32*32,64*64分块等等。(The program is mainly used to block DCT pictures, including 8*8, 16*16,32*32, 64*64 block, and so on.)
dct
- DCT变换,用于jpeg压缩,选择DCT不选择DFT(DCT transform,For jpeg compression,DCT is not selected for DFT.)
dct水印
- DCT数字图像水印算法MATLAB仿真代码(DCT digital image watermarking algorithm MATLAB simulation code)
MATLAB DCT水印源程序代码
- MATLAB DCT水印源程序代码 MATLAB DCT水印源程序代码(MATLAB DCT watermark source code MATLAB DCT watermark source code)
DCT图像压缩
- 整数DCT变换的图像压缩的程序实现,编程的平台是matlab(Integer DCT transform image compression program implementation, programming platform is matlab)
基于DCT数字水印算法的Matlab实现源代码
- 基于DCT的数字水印嵌入算法的matlab实验源代码(DCT based digital watermark embedding algorithm matlab experiment source code)
DCT
- 对每类中的每幅图片进行DCT变换(8*8)分块并对保留的DCT系数进行反DCT变换,得到重建的图象,显示原图像和重建图像进行对比,并计算出与原图对比的PSNR值。(Each picture in each class is divided into DCT transform (8*8) and the reserved DCT coefficient is inverse DCT transform. The reconstructed image is obtained. The origi
MATLAB(DCT+DWT)
- 数字水印(DCT+DWT)原理加代码,这是变化域的主要两方面(Digital watermarking algorithm of DCT and DWT)
MATLAB读取JPEG图片的DCT系数
- jpg编解码,提取DCT系数,dc系数和ac系数的哈夫曼编码表等(Jpg coding and decoding, extracting DCT coefficients, DC coefficients and AC coefficients Huffman coding table, etc.)
细胞自动机的DCT嵌入和检测
- 细胞自动机自动生成水印,并在DCT域嵌入,用相关性d进行检测(Cellular automata generate watermark and embed it in DCT Domain)
基于LSB算法与DCT算法的比较与实现
- 基于LSB算法与DCT算法的比较与实现,对比前后图片的变化(Comparison and implementation of LSB algorithm and DCT algorithm)
MATLAB数字水印[dwt+dct多攻击+GUI界面]
- 本课题为基于MATLAB的小波变换dwt和离散余弦dct的多方法对比数字水印系统。带GUI交互界面。有一个主界面GUI,可以调用dwt方法的子界面和dct方法的子界面。流程包括,读取宿主图像和水印图像,嵌入,多种方法的攻击(剪切,加噪,旋转等),提取,最后利用psnr峰值信噪比进行评价不同攻击下,鲁棒性的好坏。(This topic is based on MATLAB wavelet transform DWT and discrete cosine DCT multi method comp
基本数字水印和DCT数字水印
- 掌握基本数字水印和DCT数字水印的实现和检测方法;检验DCT数字水印,抵抗高斯噪声攻击、椒盐噪声攻击、剪切攻击和旋转攻击的能力。(Grasp the implementation and detection methods of basic digital watermarking and DCT digital watermarking, and test the ability of DCT digital watermarking to resist Gauss noise attack,
DCT,DWT,DFT,LSB数字水印MATLAB+GUI界面
- 本课题为基于MATLAB的小波变换dwt和离散余弦dct的多方法对比数字水印系统。带GUI交互界面。有一个主界面GUI,可以调用dwt方法的子界面和dct方法的子界面。流程包括,读取宿主图像和水印图像,嵌入,多种方法的攻击(剪切,加噪,旋转等),提取,最后利用psnr峰值信噪比进行评价不同攻击下,鲁棒性的好坏。(This project is based on MATLAB wavelet transform DWT and discrete cosine DCT multi method co